What is the ratio of the rise over runof the line 2x -6y = 12?

What is the point-slope equation of a line with slope -5 that contains the point (6,3)

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Four individuals pool money together to start a new business and agree to split the profits equally. n invests $6,000, x invests $2,000, y invests $8,000 and z invests $4,000. if the profits for the first month were $100,000, y receives than if the profits were divided in proportion to how much they invested.